23212223123 has 4 divisors (see below), whose sum is σ = 24012644640. Its totient is φ = 22411801608.

The previous prime is 23212223117. The next prime is 23212223131. The reversal of 23212223123 is 32132221232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23212223123 - 2¹⁴ = 23212206739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23212223143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400210715 + ... + 400210772.

It is an arithmetic number, because the mean of its divisors is an integer number (6003161160).

Almost surely, 2^23212223123 is an apocalyptic number.

23212223123 is a deficient number, since it is larger than the sum of its proper divisors (800421517).

23212223123 is an equidigital number, since it uses as much as digits as its factorization.

23212223123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800421516.

The product of its digits is 1728, while the sum is 23.

Adding to 23212223123 its reverse (32132221232), we get a palindrome (55344444355).

The spelling of 23212223123 in words is "twenty-three billion, two hundred twelve million, two hundred twenty-three thousand, one hundred twenty-three".